HAPI FHIR @Create操作未返回MethodOutcome响应

问题描述

我将程序从hapishir's website的示例中提取出来,并且该操作有效,因为我收到JSON正文并正在更新数据库。我遇到的问题是没有响应被返回。我建立了MethodOutcome对象,然后“返回”它,但是邮递员中什么也没有出现。我也编写了@read和@Search操作,它们都在Postmat的响应中返回资源,但是此@Create不返回任何响应。

ObservationResourceProvider.java

public class ObservationResourceProvider implements IResourceProvider {

public ObservationResourceProvider() {    }

@Override
public Class<? extends IBaseResource> getResourceType() {
    return Observation.class;
}

@Create()
public MethodOutcome createObservation(@ResourceParam Observation observation){
    
    OpenERMDatabase db = new OpenERMDatabase();
    String newObservationId = db.addNewObservation(observation);

    //return the new Id if success else return an error message
    MethodOutcome retVal = new MethodOutcome();
    if (newObservationId != null) {
        retVal.setId(new IdType("Observation",newObservationId,"1.0"));
        retVal.setCreated(true);
    }else {
        OperationOutcome outcome = new OperationOutcome();
        outcome.addIssue().setDiagnostics("An Error Occurred");
        retVal.setOperationOutcome(outcome);
        retVal.setCreated(false);
    }

    
    return retVal;
}

}

SimpleRestfulServer.java

@WebServlet("/*")
public class SimpleRestfulServer extends RestfulServer{

//Initialize
@Override
protected void initialize()throws ServletException{
    //create a context for the appropriate version
    setFhirContext(FhirContext.forDstu3());

    //Register Resource Providers
    registerProvider(new PatientResourceProvider());
    registerProvider(new ObservationResourceProvider());

}
}

解决方法

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